Venting improves the efficiency of loading and unloading cargo by eliminating dangerous pressure of vacuum buildup. Inverted vent check valves add a measure of security, preventing deck wash, deck fire and debris from traveling through the vent.
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Item #

Material

Thread Size (N.P.T.)

Overall Height

Overall Diameter

53icv150 N/A Iron N/A 1-1/2 in N/A 5-1/4 in N/A 3-7/16 in
53icv200 N/A Iron N/A 2 in N/A 6 in N/A 4-1/8 in
53icv250 N/A Iron N/A 2-1/2 in N/A 7 in N/A 4-7/8 in
53icv300 N/A Iron N/A 3 in N/A 8-3/8 in N/A 5-1/2 in
53icv400 N/A Iron N/A 4 in N/A 9-1/2 in N/A 7-1/8 in
00bcv150 N/A Bronze N/A 1-1/2 in N/A 5-1/4 in N/A 3-7/16 in
00bcv200 N/A Bronze N/A 2 in N/A 6 in N/A 4-1/8 in
00bcv250 N/A Bronze N/A 2-1/2 in N/A 7 in N/A 4-7/8 in
00bcv300 N/A Bronze N/A 3 in N/A 8-3/8 in N/A 5-1/2 in
00bcv400 N/A Bronze N/A 4 in N/A 9-1/2 in N/A 7-1/8 in
20acv150 N/A Aluminum N/A 1-1/2 in N/A 5-1/4 in N/A 3-7/16 in
20acv200 N/A Aluminum N/A 2 in N/A 6 in N/A 4-1/8 in
20acv250 N/A Aluminum N/A 2-1/2 in N/A 7 in N/A 4-7/8 in
20acv300 N/A Aluminum N/A 3 in N/A 8-3/8 in N/A 5-1/2 in
20acv400 N/A Aluminum N/A 4 in N/A 9-1/2 in N/A 7-1/8 in
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1